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gloriaJun / til

Lessoned Learned
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TypeError: Cannot assign to read only property 'paths' of object '#<Object>' #90

Open gloriaJun opened 3 years ago

gloriaJun commented 3 years ago

Version

  "dependencies": {
    "@testing-library/jest-dom": "^5.11.4",
    "@testing-library/react": "^11.1.0",
    "@testing-library/user-event": "^12.1.10",
    "@types/jest": "^26.0.15",
    "@types/node": "^12.0.0",
    "@types/react": "^16.9.53",
    "@types/react-dom": "^16.9.8",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "react-scripts": "4.0.0",
    "typescript": "^4.0.5",
    "web-vitals": "^0.2.4"
  },

Test Scenario

tsconfig.json에 paths를 정의하면 app을 실행할 때 아래와 같은 에러가 발생한다.

Error Log

/Volumes/data/mio/shared/node_modules/react-scripts/scripts/utils/verifyTypeScriptSetup.js:239
      appTsConfig.compilerOptions[option] = value;
                                          ^

TypeError: Cannot assign to read only property 'paths' of object '#<Object>'
    at verifyTypeScriptSetup (/Volumes/data/mio/shared/node_modules/react-scripts/scripts/utils/verifyTypeScriptSetup.js:239:43)
    at Object.<anonymous> (/Volumes/data/mio/shared/node_modules/react-scripts/scripts/start.js:31:1)
    at Module._compile (node:internal/modules/cjs/loader:1083:30)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1112:10)
    at Module.load (node:internal/modules/cjs/loader:948:32)
    at Function.Module._load (node:internal/modules/cjs/loader:789:14)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:72:12)
    at node:internal/main/run_main_module:17:47
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Solution

Reference